Last reviewed: November 2017
Last updated: November  2017

Summary

Definition

History and exam

Key diagnostic factors

  • hair loss
  • nail pitting
  • nonscarring alopecia
  • exclamation point hairs
  • positive hair-pull test
  • normal underlying skin in bare areas

Risk factors

  • autoimmune disease
  • family history of autoimmune disease

Diagnostic investigations

Treatment algorithm

Contributors

Authors VIEW ALL

Professor of Dermatology/Medicine (Retired)

David Geffen School of Medicine

UCLA

Los Angeles

CA

Disclosures

RAS is currently an honorary member of the National Alopecia Areata Foundation (NAAF) clinical scientific advisory board.

Dr Richard A. Strick would like to gratefully acknowledge Dr Jack Green and Dr Paradi Mirmirani, previous contributors to this monograph. JG is an author of a reference cited in this monograph. PM declares that he has no competing interests.

Peer reviewers VIEW ALL

Professor and Chair

Department of Dermatology

University of Minnesota

Minneapolis

MN

Disclosures

MH declares that she has no competing interests.

Associate Professor

Department of Dermatology

University Hospital of Zurich

Zurich

Switzerland

Disclosures

RMT is an author of a number of references cited in this monograph.

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